The Giant African Land Snail is the largest among all land snails in the world. The common name actually refers to three giant species in the family Achatinidae: Achatina achatina, Archachatina marginata and Lissachatina fulica. They keep growing even they reach adulthood and continue to grow until death. Full-grown adults can usually reach 2.8 inches (7 cm) in diameter and 7.9 inches (20 cm) in length. Some of them are even bigger.
They keep growing even they reach adulthood and continue to grow until death
The largest snail, which is recorded till the present, when fully extended, measured 1 feet and 3.5 inches (39.3 cm), with a shell length of 10.75 inches (27.3 cm). They can live up to 10 years and reproduce pretty quickly. Giant African Land Snails are hermaphrodites and adults lay as much as 1200 eggs a year.